#33637C#33637C

#33637C is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.7% C 0.066 H 233.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#33637C
RGB	rgb(51, 99, 124)
HSL	hsl(201, 42%, 34%)
HSV	hsv(201, 59%, 49%)
CMYK	cmyk(58.9%, 20.2%, 0%, 51.4%)
CIE-LAB	lab(39.72, -8.42, -18.94)
CIE-LCH	lch(39.72, 20.73, 246.04°)
OKLab	oklab(47.68% -0.0395 -0.0528)
OKLCH	oklch(47.68% 0.066 233.2)
XYZ	xyz(9.4638, 11.0819, 20.7052)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33637C #7C4C33

analogous

#337C71 #33637C #333F7C

triadic

#33637C #7C3363 #637C33

tetradic

#33637C #71337C #7C4C33 #3F7C33

square

#33637C #71337C #7C4C33 #3F7C33

split-complementary

#33637C #7C333F #7C7133

monochromatic

#0F1E25 #214051 #33637C #4586A7 #68A3C1

Accessibility & contrast

On white

6.53

#33637C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#33637C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33637C

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33637C	#FFFFFF	#000000	##FFFFFF
##33637C	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627D

Deuteranopia (green-blind)

#4D5A7C

Tritanopia (blue-blind)

#006A6B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #33637c;
/* rgb */ color: rgb(51, 99, 124);
/* oklch */ color: oklch(47.7% 0.066 233.2);

Tailwind

colors: {
  custom: {
    50: '#718fa2',
    500: '#33637c',
    950: '#000000',
  },
}

SCSS

$custom: #33637c;
$custom-light: #718fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#33637c",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 124
  },
  "hsl": {
    "h": 200.548,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.47676,
    "c": 0.06599,
    "h": 233.2
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#33637C

secondary

#A97A62

accent

#8056D2

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #33637C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →